1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 96cec6352f12..68cafae6a850 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -231,6 +231,7 @@ struct btrfs_fs_info {
         struct buffer_head *sb_buffer;
         struct super_block *sb;
         struct mutex trans_mutex;
+        struct mutex fs_mutex;
 };
 
 /*